Home / 3,177.87-4,383.97-1,850.77

Finding the Fourth Proportional to 3,177.87, 4,383.97 and 1,850.77

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Solution

The fourth proportional to 3,177.87, 4,383.97 and 1,850.77 is: 2,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.87 : 4,383.97 = 1,850.77 : x
  2. Step 2: Convert to fraction form
    3,177.87/4,383.97 = 1,850.77/x
  3. Step 3: Cross multiply
    3,177.87x = 4,383.97 × 1,850.77
  4. Step 4: Simplify right side
    3,177.87x = 8,113,720.16
  5. Step 5: Solve for x
    x = 8,113,720.16/3,177.87
  6. Step 6: Final answer
    x = 2,553.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.